55804571 has 2 divisors, whose sum is σ = 55804572. Its totient is φ = 55804570.

The previous prime is 55804561. The next prime is 55804589. The reversal of 55804571 is 17540855.

55804571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55804571 - 2¹⁰ = 55803547 is a prime.

It is a super-2 number, since 2×55804571² = 6228300288988082, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55804561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27902285 + 27902286.

It is an arithmetic number, because the mean of its divisors is an integer number (27902286).

Almost surely, 2^55804571 is an apocalyptic number.

55804571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55804571 is an equidigital number, since it uses as much as digits as its factorization.

55804571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 55804571 is about 7470.2457121570. The cubic root of 55804571 is about 382.1406675642.

The spelling of 55804571 in words is "fifty-five million, eight hundred four thousand, five hundred seventy-one".